Made of light transmission materials with light weight, steady color temperature and low loss. These color filters are used Compatible With experiments involving additive and subtractive color, color mixing, color transmission, absorption and filtering of the different wavelengths of light.Features-Color: Assorted Color-Material: PVC-Size: About 29.70X21.00X0.10cm/11.67X8.25X0.04in- Also compatible with memory albums scrapbooks and various other art projects.- Correction gel light filters compatible with film, video, photo, stage, theater, party, and DJ lighting.- Change color balance of the images. Flash gels help to improve the color balance of the images.- Can be combined to create different effects, like cool effects, color correcting, compatible with photo studio strobe flash light LED lights.- Colored lighting filters, or gels, are often used as accent lights, or to add dramatic color to backgrounds or selected portions of a scene Compatible With artistic effect.Packing list9 x Color Filters